[INFO] fetching crate dokkoo 0.3.0...
[INFO] testing dokkoo-0.3.0 against master#6c20ab744b0f82646d90ce9d25894823abc9c669 for pr-99093
[INFO] extracting crate dokkoo 0.3.0 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate dokkoo 0.3.0 on toolchain 6c20ab744b0f82646d90ce9d25894823abc9c669
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dokkoo 0.3.0
[INFO] finished tweaking crates.io crate dokkoo 0.3.0
[INFO] tweaked toml for crates.io crate dokkoo 0.3.0 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate crates.io crate dokkoo 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded notify v4.0.15
[INFO] [stderr]   Downloaded regex v1.4.5
[INFO] [stderr]   Downloaded proc-quote-impl v0.3.2
[INFO] [stderr]   Downloaded liquid-derive v0.22.0
[INFO] [stderr]   Downloaded futures-macro v0.3.13
[INFO] [stderr]   Downloaded actix-router v0.2.7
[INFO] [stderr]   Downloaded bytestring v1.0.0
[INFO] [stderr]   Downloaded anymap v0.12.1
[INFO] [stderr]   Downloaded pathdiff v0.2.0
[INFO] [stderr]   Downloaded cpuid-bool v0.1.2
[INFO] [stderr]   Downloaded standback v0.2.15
[INFO] [stderr]   Downloaded futures v0.3.13
[INFO] [stderr]   Downloaded derive_more v0.99.11
[INFO] [stderr]   Downloaded liquid-core v0.22.0
[INFO] [stderr]   Downloaded flate2 v1.0.20
[INFO] [stderr]   Downloaded syn v1.0.64
[INFO] [stderr]   Downloaded brotli2 v0.3.2
[INFO] [stderr]   Downloaded askama_escape v0.10.1
[INFO] [stderr]   Downloaded cookie v0.14.4
[INFO] [stderr]   Downloaded actix-rt v2.1.0
[INFO] [stderr]   Downloaded awc v3.0.0-beta.3
[INFO] [stderr]   Downloaded actix-macros v0.2.0
[INFO] [stderr]   Downloaded actix-web v4.0.0-beta.4
[INFO] [stderr]   Downloaded sha-1 v0.9.4
[INFO] [stderr]   Downloaded tokio-util v0.6.4
[INFO] [stderr]   Downloaded anyhow v1.0.38
[INFO] [stderr]   Downloaded futures-executor v0.3.13
[INFO] [stderr]   Downloaded actix-utils v3.0.0-beta.2
[INFO] [stderr]   Downloaded mio v0.7.10
[INFO] [stderr]   Downloaded h2 v0.3.1
[INFO] [stderr]   Downloaded actix-service v2.0.0-beta.5
[INFO] [stderr]   Downloaded actix-server v2.0.0-beta.3
[INFO] [stderr]   Downloaded actix-web-codegen v0.5.0-beta.2
[INFO] [stderr]   Downloaded ahash v0.7.2
[INFO] [stderr]   Downloaded actix-tls v3.0.0-beta.4
[INFO] [stderr]   Downloaded proc-quote v0.3.2
[INFO] [stderr]   Downloaded liquid v0.22.0
[INFO] [stderr]   Downloaded kstring v1.0.1
[INFO] [stderr]   Downloaded liquid-lib v0.22.0
[INFO] [stderr]   Downloaded tokio v1.3.0
[INFO] [stderr]   Downloaded actix-codec v0.4.0-beta.1
[INFO] [stderr]   Downloaded brotli-sys v0.3.2
[INFO] [stderr]   Downloaded libc v0.2.89
[INFO] [stderr]   Downloaded http-range v0.1.4
[INFO] [stderr]   Downloaded actix-http v3.0.0-beta.4
[INFO] [stderr]   Downloaded actix-files v0.6.0-beta.3
[INFO] [stderr]   Downloaded deunicode v1.1.1
[INFO] [stderr]   Downloaded pure-rust-locales v0.5.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 302f176e89cfbf1563fdf35036ca5906b2456dfbc49a2d0d6a3dc6938fa7428c
[INFO] running `Command { std: "docker" "start" "-a" "302f176e89cfbf1563fdf35036ca5906b2456dfbc49a2d0d6a3dc6938fa7428c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "302f176e89cfbf1563fdf35036ca5906b2456dfbc49a2d0d6a3dc6938fa7428c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "302f176e89cfbf1563fdf35036ca5906b2456dfbc49a2d0d6a3dc6938fa7428c", kill_on_drop: false }`
[INFO] [stdout] 302f176e89cfbf1563fdf35036ca5906b2456dfbc49a2d0d6a3dc6938fa7428c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+6c20ab744b0f82646d90ce9d25894823abc9c669" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 214ae2b2ffe016d67ee2a0c4543ef36165223cc196d0c5edd19354187bf18af1
[INFO] running `Command { std: "docker" "start" "-a" "214ae2b2ffe016d67ee2a0c4543ef36165223cc196d0c5edd19354187bf18af1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.89
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.64
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling pin-project-lite v0.2.6
[INFO] [stderr]    Compiling futures-core v0.3.13
[INFO] [stderr]    Compiling once_cell v1.7.2
[INFO] [stderr]    Compiling bytes v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.124
[INFO] [stderr]    Compiling futures-sink v0.3.13
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling serde v1.0.124
[INFO] [stderr]    Compiling smallvec v1.6.1
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling itoa v0.4.7
[INFO] [stderr]    Compiling typenum v1.13.0
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling getrandom v0.2.2
[INFO] [stderr]    Compiling proc-macro-nested v0.1.7
[INFO] [stderr]    Compiling matches v0.1.8
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling pin-utils v0.1.0
[INFO] [stderr]    Compiling futures-task v0.3.13
[INFO] [stderr]    Compiling lazy_static v1.4.0
[INFO] [stderr]    Compiling const_fn v0.4.5
[INFO] [stderr]    Compiling cc v1.0.67
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling futures-io v0.3.13
[INFO] [stderr]    Compiling regex-syntax v0.6.23
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]    Compiling hashbrown v0.9.1
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling encoding_rs v0.8.28
[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]    Compiling ppv-lite86 v0.2.10
[INFO] [stderr]    Compiling tinyvec_macros v0.1.0
[INFO] [stderr]    Compiling httparse v1.3.5
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling rustc-serialize v0.3.24
[INFO] [stderr]    Compiling unicode-segmentation v1.7.1
[INFO] [stderr]    Compiling opaque-debug v0.3.0
[INFO] [stderr]    Compiling cpuid-bool v0.1.2
[INFO] [stderr]    Compiling pure-rust-locales v0.5.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling language-tags v0.2.2
[INFO] [stderr]    Compiling doc-comment v0.3.3
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling lazycell v1.3.0
[INFO] [stderr]    Compiling anyhow v1.0.38
[INFO] [stderr]    Compiling deunicode v1.1.1
[INFO] [stderr]    Compiling pulldown-cmark v0.8.0
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling linked-hash-map v0.5.4
[INFO] [stderr]    Compiling askama_escape v0.10.1
[INFO] [stderr]    Compiling dtoa v0.4.7
[INFO] [stderr]    Compiling os_str_bytes v2.4.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling http-range v0.1.4
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling glob v0.3.0
[INFO] [stderr]    Compiling pathdiff v0.2.0
[INFO] [stderr]    Compiling instant v0.1.9
[INFO] [stderr]    Compiling lock_api v0.4.2
[INFO] [stderr]    Compiling futures-channel v0.3.13
[INFO] [stderr]    Compiling actix-service v2.0.0-beta.5
[INFO] [stderr]    Compiling unicode-bidi v0.3.4
[INFO] [stderr]    Compiling form_urlencoded v1.0.1
[INFO] [stderr]    Compiling bytestring v1.0.0
[INFO] [stderr]    Compiling tracing-core v0.1.17
[INFO] [stderr]    Compiling http v0.2.3
[INFO] [stderr]    Compiling tokio v1.3.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling indexmap v1.6.2
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling standback v0.2.15
[INFO] [stderr]    Compiling generic-array v0.14.4
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling ahash v0.7.2
[INFO] [stderr]    Compiling cookie v0.14.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling itertools v0.10.0
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling tinyvec v1.1.1
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]    Compiling heck v0.3.2
[INFO] [stderr]    Compiling yaml-rust v0.4.5
[INFO] [stderr]    Compiling tracing v0.1.25
[INFO] [stderr]    Compiling unicode-normalization v0.1.17
[INFO] [stderr]    Compiling aho-corasick v0.7.15
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling signal-hook-registry v1.3.0
[INFO] [stderr]    Compiling mio v0.7.10
[INFO] [stderr]    Compiling rand v0.4.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling terminal_size v0.1.16
[INFO] [stderr]    Compiling socket2 v0.3.19
[INFO] [stderr]    Compiling inotify-sys v0.1.5
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling filetime v0.2.14
[INFO] [stderr]    Compiling brotli-sys v0.3.2
[INFO] [stderr]    Compiling regex v1.4.5
[INFO] [stderr]    Compiling flate2 v1.0.20
[INFO] [stderr]    Compiling idna v0.2.2
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling rand_core v0.6.2
[INFO] [stderr]    Compiling proc-quote-impl v0.3.2
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling textwrap v0.12.1
[INFO] [stderr]    Compiling inotify v0.7.1
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling block-buffer v0.9.0
[INFO] [stderr]    Compiling digest v0.9.0
[INFO] [stderr]    Compiling url v2.2.1
[INFO] [stderr]    Compiling rand_chacha v0.3.0
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling sha-1 v0.9.4
[INFO] [stderr]    Compiling rand v0.8.3
[INFO] [stderr]    Compiling mio-extras v2.0.6
[INFO] [stderr]    Compiling notify v4.0.15
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling stopwatch v0.0.7
[INFO] [stderr]    Compiling proc-quote v0.3.2
[INFO] [stderr]    Compiling tokio-util v0.6.4
[INFO] [stderr]    Compiling actix-codec v0.4.0-beta.1
[INFO] [stderr]    Compiling actix-macros v0.2.0
[INFO] [stderr]    Compiling futures-macro v0.3.13
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]    Compiling derive_more v0.99.11
[INFO] [stderr]    Compiling pin-project-internal v1.0.5
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling liquid-derive v0.22.0
[INFO] [stderr]    Compiling actix-web-codegen v0.5.0-beta.2
[INFO] [stderr]    Compiling clap_derive v3.0.0-beta.2
[INFO] [stderr]    Compiling brotli2 v0.3.2
[INFO] [stderr] error: could not compile `serde_derive`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name serde_derive /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/serde_derive-1.0.124/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' -C metadata=e233ec189173ab06 -C extra-filename=-e233ec189173ab06 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern proc_macro2=/opt/rustwide/target/debug/deps/libproc_macro2-89254f8a188bc205.rlib --extern quote=/opt/rustwide/target/debug/deps/libquote-0c8b16363cbdca05.rlib --extern syn=/opt/rustwide/target/debug/deps/libsyn-62d521ac6b356527.rlib --extern proc_macro --cap-lints allow --cap-lints=forbid --cfg underscore_consts` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "214ae2b2ffe016d67ee2a0c4543ef36165223cc196d0c5edd19354187bf18af1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "214ae2b2ffe016d67ee2a0c4543ef36165223cc196d0c5edd19354187bf18af1", kill_on_drop: false }`
[INFO] [stdout] 214ae2b2ffe016d67ee2a0c4543ef36165223cc196d0c5edd19354187bf18af1